<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <meta http-equiv="Content-Type" content="text/html; charset=gbk" /> <title>过年好</title>
  <script type="text/javascript">

    <style>
      html,body{
      margin:80px;
      width:100%;
      height:100%;
      overflow:hidden;
      background:#80;
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      height:300%;
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  <style type="text/css">
    .aa
    {
      font: "微软雅黑";
      font-size: 30px;
      color: gold;
      text-align: center;
    }
  </style>
</head>

<body style="background:#000;font:12px Arial">
<p class="aa">新年快乐</p>
<audio src="audio/"></audio>
}
<canvas id="canvas" width="1888" height="790"></canvas><script>
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    cy=canvas.height/2;
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    playerX=playerY=playerVX=playerVY=playerVZ=pitch=yaw=pitchV=yawV=0;
    scale=600;
    seedTimer=0;seedInterval=5,seedLife=100;gravity=.02;
    seeds=new Array();
    sparkPics=new Array();
    s="https://cantelope.org/NYE/";
    for(i=1;i<=10;++i){
      sparkPic=new Image();
      sparkPic.src=s+"spark"+i+".png";
      sparkPics.push(sparkPic);
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    sparks=new Array();
    pow1=new Audio(s+"pow1.ogg");
    pow2=new Audio(s+"pow2.ogg");
    pow3=new Audio(s+"pow3.ogg");
    pow4=new Audio(s+"pow4.ogg");
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    x=Math.sin(p-yaw)*d;
    z=Math.cos(p-yaw)*d;
    p=Math.atan2(y,z);
    d=Math.sqrt(y*y+z*z);
    y=Math.sin(p-pitch)*d;
    z=Math.cos(p-pitch)*d;
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    if(!uc) return {x:0,y:0,d:-1};
    var ua=((rx4-rx3)*(ry1-ry3)-(ry4-ry3)*(rx1-rx3))/uc;
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        y:cy+y/z*scale,
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    seed.x=-50+Math.random()*100;
    seed.y=25;
    seed.z=-50+Math.random()*100;
    seed.vx=.1-Math.random()*.2;
    seed.vy=-1.5;//*(1+Math.random()/2);
    seed.vz=.1-Math.random()*.2;
    seed.born=frames;
    seeds.push(seed);
  }

  function splode(x,y,z){

    t=5+parseInt(Math.random()*150);
    sparkV=1+Math.random()*2.5;
    type=parseInt(Math.random()*3);
    switch(type){
      case 0:
        pic1=parseInt(Math.random()*10);
        break;
      case 1:
        pic1=parseInt(Math.random()*10);
        do{ pic2=parseInt(Math.random()*10); }while(pic2==pic1);
        break;
      case 2:
        pic1=parseInt(Math.random()*10);
        do{ pic2=parseInt(Math.random()*10); }while(pic2==pic1);
        do{ pic3=parseInt(Math.random()*10); }while(pic3==pic1 || pic3==pic2);
        break;
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      p2=pi*Math.random();
      v=sparkV*(1+Math.random()/6)
      spark.vx=Math.sin(p1)*Math.sin(p2)*v;
      spark.vz=Math.cos(p1)*Math.sin(p2)*v;
      spark.vy=Math.cos(p2)*v;
      switch(type){
        case 0: spark.img=sparkPics[pic1]; break;
        case 1:
          spark.img=sparkPics[parseInt(Math.random()*2)?pic1:pic2];
          break;
        case 2:
          switch(parseInt(Math.random()*3)){
            case 0: spark.img=sparkPics[pic1]; break;
            case 1: spark.img=sparkPics[pic2]; break;
            case 2: spark.img=sparkPics[pic3]; break;
          }
          break;
      }
      spark.radius=25+Math.random()*50;
      spark.alpha=1;
      spark.trail=new Array();
      sparks.push(spark);
    }
    switch(parseInt(Math.random()*4)){
      case 0:	pow=new Audio(s+"pow1.ogg"); break;
      case 1:	pow=new Audio(s+"pow2.ogg"); break;
      case 2:	pow=new Audio(s+"pow3.ogg"); break;
      case 3:	pow=new Audio(s+"pow4.ogg"); break;
    }
    d=Math.sqrt((x-playerX)*(x-playerX)+(y-playerY)*(y-playerY)+(z-playerZ)*(z-playerZ));
    pow.volume=1.5/(1+d/10);
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      seeds[i].z+=seeds[i].vz;
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        splode(seeds[i].x,seeds[i].y,seeds[i].z);
        seeds.splice(i,1);
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        point.y=sparks[i].y;
        point.z=sparks[i].z;
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          y=sparks[i].trail[sparks[i].trail.length-1].y;
          z=sparks[i].trail[sparks[i].trail.length-1].z;
          d=((point.x-x)*(point.x-x)+(point.y-y)*(point.y-y)+(point.z-z)*(point.z-z));
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        sparks[i].y+=sparks[i].vy;
        sparks[i].z+=sparks[i].vz;
        sparks[i].vx/=1.075;
        sparks[i].vy/=1.075;
        sparks[i].vz/=1.075;
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    p=Math.atan2(playerX,playerZ);
    d=Math.sqrt(playerX*playerX+playerZ*playerZ);
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    t=Math.sin(frames/200)/40;
    playerX=Math.sin(p+t)*d;
    playerZ=Math.cos(p+t)*d;
    yaw=pi+p+t;
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          point1.y=point.y;
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            case sparkPics[0]:ctx.strokeStyle="#f84";break;
            case sparkPics[1]:ctx.strokeStyle="#84f";break;
            case sparkPics[2]:ctx.strokeStyle="#8ff";break;
            case sparkPics[3]:ctx.strokeStyle="#fff";break;
            case sparkPics[4]:ctx.strokeStyle="#4f8";break;
            case sparkPics[5]:ctx.strokeStyle="#f44";break;
            case sparkPics[6]:ctx.strokeStyle="#f84";break;
            case sparkPics[7]:ctx.strokeStyle="#84f";break;
            case sparkPics[8]:ctx.strokeStyle="#fff";break;
            case sparkPics[9]:ctx.strokeStyle="#44f";break;
          }
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  frame();</script>


</body>
</html>
